Title:
Soldering bimetal exterior parts of a clock
Document Type and Number:
Japanese Patent JP5914754
Kind Code:
B2
Abstract:
The method involves providing a metal base (10) made of a first material e.g. titanium or/and a first titanium alloy, and a metal covering plate (20) made of a second material e.g. metal such as gold and platinum and/or a gold or platinum alloy, where the plate has thickness (E) of 0.5 mm or more. The covering plate is brazed to the base by a braze used for brazing titanium with gold or platinum in order to form a bimetal ebauche. The ebauche is shaped and/or machined in order to provide final shape to an exterior component (100). An independent claim is also included for an exterior component of a timepiece.
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Inventors:
Knuchel, Daniel
Application Number:
JP2015513119A
Publication Date:
May 11, 2016
Filing Date:
May 17, 2013
Export Citation:
Assignee:
The Swatch Group Research and Development Limited
International Classes:
G04B37/22; B21D53/44; B23K1/00; B23K1/19
Domestic Patent References:
| JP60228666A | ||||
| JP56105881A | ||||
| JP4176636B2 |
Attorney, Agent or Firm:
Masaki Yamakawa
Shigeki Yamakawa
Shigeki Yamakawa